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黄连生长时,其根茎逐年向上生长数个分枝呈鸡爪状。有经验的药农每年在植株基部培土1—3cm,从薄到厚逐年增加,这样能使根茎粗壮,分枝多,达到
When Coptis grows, its rhizome grows upward several branches year by year. Experienced farmers every year in the plant peat soil 1-3cm, from thin to thick year by year increase, so that rhizome stout, branching more to reach